Home / 23,348.87-32,220.80-12,738.50

Finding the Fourth Proportional to 23,348.87, 32,220.80 and 12,738.50

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Solution

The fourth proportional to 23,348.87, 32,220.80 and 12,738.50 is: 17,578.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,348.87 : 32,220.80 = 12,738.50 : x
  2. Step 2: Convert to fraction form
    23,348.87/32,220.80 = 12,738.50/x
  3. Step 3: Cross multiply
    23,348.87x = 32,220.80 × 12,738.50
  4. Step 4: Simplify right side
    23,348.87x = 410,444,660.80
  5. Step 5: Solve for x
    x = 410,444,660.80/23,348.87
  6. Step 6: Final answer
    x = 17,578.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.